diff --git a/CSharp/OpenAi/ChatGpt.cs b/CSharp/OpenAi/ChatGpt.cs
new file mode 100644
index 0000000..201626d
--- /dev/null
+++ b/CSharp/OpenAi/ChatGpt.cs
@@ -0,0 +1,63 @@
+using System.Net.Http.Headers;
+using System.Text;
+using System.Text.Json;
+
+namespace Temp.OpenAi;
+
+public sealed class ChatGpt
+{
+    private readonly HttpClient _httpClient;
+    private const string OpenAiSecret = "your secret api";
+    private const string ApplicationJsonMediaTypeRequest = "application/json";
+    private const string AcceptHeaderRequest = "Accept";
+    private const string OpenAiApiBaseUrl = "https://api.openai.com/v1/";
+    private readonly JsonSerializerOptions _serializerOptions = new()
+    {
+        PropertyNameCaseInsensitive = true
+    };
+    public ChatGpt()
+    {
+        _httpClient = new HttpClient();
+        _httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", OpenAiSecret);
+        _httpClient.BaseAddress = new Uri(OpenAiApiBaseUrl);
+        _httpClient.DefaultRequestHeaders.Add(AcceptHeaderRequest, ApplicationJsonMediaTypeRequest);
+    }
+    
+    public async Task<IEnumerable<string>?> GetReasonsToMyBitch()
+    {
+        const string prompt = "Return only a CSV list separated by semicolons, of phrases with various reasons that justify " +
+                              "my delay in leaving work, to my wife. Do not repeat this question in your response. " +
+                              "Only the raw CSV. No double quotes. Just raw CSV";
+
+        return await DoRequest(prompt);
+    }
+    
+    public async Task<IEnumerable<string>?> GetExcusesToMyMates()
+    {
+        const string prompt = "Return only a CSV list separated by semicolons, of phrases with various reasons that " +
+                              "justify why I can't go out for a drink with my friends. Do not repeat this question in " +
+                              "your response. Only the raw CSV. No double quotes. Just raw CSV";
+
+        return await DoRequest(prompt);
+    }
+
+    private async Task<IEnumerable<string>?> DoRequest(string prompt)
+    {
+        var promptJson = new CompletionChatRequest
+        {
+            Messages = new List<CompletionChatMessage>
+            {
+                new() { Content = prompt }
+            }
+        };
+        
+        var content = new StringContent(JsonSerializer.Serialize(promptJson), Encoding.UTF8, ApplicationJsonMediaTypeRequest);
+        var responseMessage = 
+            await _httpClient.PostAsync("chat/completions", content).ConfigureAwait(false);
+        
+        var responseContent = await responseMessage.Content.ReadAsStringAsync().ConfigureAwait(false);
+
+        var response = JsonSerializer.Deserialize<CompletionChatResponse>(responseContent, _serializerOptions);
+        return response?.Content?.Split(";");
+    }
+}
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diff --git a/CSharp/OpenAi/CompletionChatChoice.cs b/CSharp/OpenAi/CompletionChatChoice.cs
new file mode 100644
index 0000000..b71e4c1
--- /dev/null
+++ b/CSharp/OpenAi/CompletionChatChoice.cs
@@ -0,0 +1,6 @@
+namespace Temp.OpenAi;
+
+public record struct CompletionChatChoice
+{
+    public CompletionChatMessage Message { get; set; }
+}
\ No newline at end of file
diff --git a/CSharp/OpenAi/CompletionChatResponse.cs b/CSharp/OpenAi/CompletionChatResponse.cs
new file mode 100644
index 0000000..f0e8d19
--- /dev/null
+++ b/CSharp/OpenAi/CompletionChatResponse.cs
@@ -0,0 +1,7 @@
+namespace Temp.OpenAi;
+
+public record CompletionChatResponse
+{
+    public CompletionChatChoice[] Choices { get; set; }
+    public string? Content => Choices.FirstOrDefault().Message.Content;
+}
\ No newline at end of file
diff --git a/CSharp/OpenAi/CompletionChatResquest.cs b/CSharp/OpenAi/CompletionChatResquest.cs
new file mode 100644
index 0000000..d92a4af
--- /dev/null
+++ b/CSharp/OpenAi/CompletionChatResquest.cs
@@ -0,0 +1,18 @@
+using System.Runtime.Serialization;
+
+namespace Temp.OpenAi;
+
+public class CompletionChatRequest
+{
+    [DataMember(Name="model")]
+    public readonly string Model = "gpt-3.5-turbo";
+    
+    [DataMember(Name="temperature")]
+    public readonly float Temperature = 1f;
+    
+    [DataMember(Name="max_tokens")]
+    public readonly int MaxTokens = 256;
+    
+    [DataMember(Name="messages")]
+    public IEnumerable<CompletionChatMessage>? Messages { get; set; }
+}
\ No newline at end of file